Sporn - Big Dog Halter Harness Size:Medium TRILOGY uses a combination of

TRILOGY uses a combination of 3 sustaining ingredients to help keep them naturally healthy

It controls and treats adult and immature roundworms

The Whistler: which whistles in flight

The open design at the edges allows easy cleaning

Designed For Comfort And Style

Sporn - Big Dog Halter Harness Size:Medium TRILOGY uses a combination ofA spinoff of the Original Sporn Halter, the Big Dog Halter is designed specifically for large breed dogs who are aggressive leash pullers! It is guaranteed to stop your dog from pulling using the patented "Sporn Effect". It's easily transformed into a standard collar when the pull control function is not needed. All materials and components are made of the highest quality nylon and nickel plated hardware to reduce weathering. Key Benefits Front pull